List of Oklahoma area codes

Map of Oklahoma with area code boundaries

The state of Oklahoma is served by the following area codes:

• 405/572: Central Oklahoma including Oklahoma City (original area code created in 1947; 572 added as overlay on April 24, 2021 ^{[1] [2] [3]}
• 580: Western and southern Oklahoma (split from 405 in 1997)
• 539/918: Northeastern Oklahoma including Tulsa (918 created in 1953 as split from 405; 539 added as overlay in 2011)

References

1. "New area code number takes effect". KFOR.
2. "572 area code, what you need to know". Dobson.net.
3. "Mandatory 10 digit dialing". okcommerce.gov.